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Table 2 Comparison of pain severity and duration of pain between two groups in protocol 1

From: Effect of Zingiber officinale R. rhizomes (ginger) on pain relief in primary dysmenorrhea: a placebo randomized trial

 

Baseline

Protocol 1

Mean change in protocol 1

  
 

Ginger (n = 59)

Placebo (n = 46)

Ginger (n = 59)

Placebo (n = 46)

Ginger (n = 59)

Placebo (n = 46)

  
 

Mean (SD)

Mean (SD)

Mean (SD)

Mean (SD)

Mean (SD)

Mean (SD)

Pa

Pb

Severity of pain

7.34 (1.1)

7.52 (0.93)

5.12 (2.69)

6.58 (2.02)

2.21 (2.87)

0.93 (2.24)

0.015

0.003

Duration of pain

19.38 (16.35)

19.06 (22.73)

14.7 (18.36)

21.36 (25.59)

4.59 (10.55)

-2.30 (18.24)

0.017

0.016

  1. a Derived from t-test.
  2. b Derived from ANCOVA adjusted for baseline.